B the answer is 14 because it’s an equal equation
Answer: B 2x
1/2x-3+3/2x+3
After 8 classes
40 divided by 5 is 8 so after 8 classes
Answer:
y = (10 * 0.2) ^ x
Y = (2)^x
Y = 2^x + 10
6.5 hours
Step-by-step explanation:
Y is the number of people at the school who have been infected with the flu. The 10 is the initial number of infected students which is a constant so it does not change. The 0.2 is the rate of increase, or 20%. The x exponent is the number of hours so that is a changing number. Your answer is 2 to the power of the number of hours which is x. Add ten after that to get your number. to get 100 people ill, it would take about 6.5 hours.
Answer:
14
Step-by-step explanation:
2(5)+4(5)-9-7
10+20-16
14